| 12th Rhode Island Infantry Regiment | |
|---|---|
 | |
| Active | October 18, 1862 to July 29, 1863 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Engagements | Battle of Fredericksburg Mud March |
12th Rhode Island Infantry Regiment raised during the US Civil War saw service between Oct 1862 and Jul 1863.